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44421201223 = 721344167447
BaseRepresentation
bin101001010111101101…
…011011110101000111
311020122210022211101221
4221113231123311013
51211433311414343
632223512301211
73131540660200
oct512755336507
9136583284357
1044421201223
1117925678a53
1287386a1807
13425c029669
1422158445a7
15124ec0c5ed
hexa57b5bd47

44421201223 has 12 divisors (see below), whose sum is σ = 51678252912. Its totient is φ = 38071918080.

The previous prime is 44421201203. The next prime is 44421201257. The reversal of 44421201223 is 32210212444.

It is not a de Polignac number, because 44421201223 - 29 = 44421200711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421201203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624886 + ... + 692332.

It is an arithmetic number, because the mean of its divisors is an integer number (4306521076).

Almost surely, 244421201223 is an apocalyptic number.

44421201223 is a deficient number, since it is larger than the sum of its proper divisors (7257051689).

44421201223 is a wasteful number, since it uses less digits than its factorization.

44421201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80902 (or 80895 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 44421201223 its reverse (32210212444), we get a palindrome (76631413667).

The spelling of 44421201223 in words is "forty-four billion, four hundred twenty-one million, two hundred one thousand, two hundred twenty-three".

Divisors: 1 7 49 13441 67447 94087 472129 658609 3304903 906555127 6345885889 44421201223